True Random Number Generator - Analog Noise Source

​​​The True Random Number Generator (TRNG) Analog Noise Source
is a physical entropy source compliant with the AIS 31 standard.

Key Features

​AIS 31 compliant
Fully integrated
Robust architecture
Analog-based source​
Low power consumption


  • robust, fully-integrated, state-of-the-art physical entropy source
  • differential jitter extraction through a PLL-based fully symmetric architecture
  • stochastic model of the entropy source for AIS 31 certification
  • asynchronous random clock signal output
  • random stream synchronization through an external sampling clock
  • typical characteristics of a 55 nm implementation:
    • compliant with the AIS 31 standard (Method A, Procedure A) up to 100 kbit/s
    • with optional digital post-processing: fully compliant with the AIS 31 (Method A & B)
      and NIST SP 800-90B standards up to 100 kbit/s
    • startup time shorter than 80 µs
    • power-supply voltage range: 1.2 V ±10%
    • operating current smaller than 40 µA
    • standby current lower than 1 µA
    • operating junction temperature range: -40°C to 125°C
    • silicon area smaller than 0.02 mm²
  • silicon proven in 130 nm, 110 nm, 65 nm and 55 nm CMOS processes
  • digital post-processing available separately


  • GDSII stream and layer map file
  • Library Exchange Format (LEF) file
  • Circuit Description Language (CDL) netlist
  • VHDL behavioral model
  • Liberty Timing File (.lib)
  • design specification

Please contact for any further information.